EP1610355B1 - Relay contact welding detection method and apparatus - Google Patents

Relay contact welding detection method and apparatus Download PDF

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Publication number
EP1610355B1
EP1610355B1 EP04724176A EP04724176A EP1610355B1 EP 1610355 B1 EP1610355 B1 EP 1610355B1 EP 04724176 A EP04724176 A EP 04724176A EP 04724176 A EP04724176 A EP 04724176A EP 1610355 B1 EP1610355 B1 EP 1610355B1
Authority
EP
European Patent Office
Prior art keywords
relay
main relay
contact
load circuit
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP04724176A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1610355A1 (en
EP1610355A4 (en
EP1610355A8 (en
Inventor
Kazunari NEC Lamilion Energy Ltd. TEZUKA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Subaru Corp
NEC Corp
Original Assignee
NEC Corp
Fuji Jukogyo KK
Fuji Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical NEC Corp
Publication of EP1610355A1 publication Critical patent/EP1610355A1/en
Publication of EP1610355A8 publication Critical patent/EP1610355A8/en
Publication of EP1610355A4 publication Critical patent/EP1610355A4/en
Application granted granted Critical
Publication of EP1610355B1 publication Critical patent/EP1610355B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
EP04724176A 2003-03-31 2004-03-29 Relay contact welding detection method and apparatus Expired - Fee Related EP1610355B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003095045 2003-03-31
JP2003095045 2003-03-31
PCT/JP2004/004410 WO2004088696A1 (ja) 2003-03-31 2004-03-29 リレー接点の溶着の検出方法及び装置

Publications (4)

Publication Number Publication Date
EP1610355A1 EP1610355A1 (en) 2005-12-28
EP1610355A8 EP1610355A8 (en) 2006-03-15
EP1610355A4 EP1610355A4 (en) 2009-01-28
EP1610355B1 true EP1610355B1 (en) 2012-12-05

Family

ID=33127425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04724176A Expired - Fee Related EP1610355B1 (en) 2003-03-31 2004-03-29 Relay contact welding detection method and apparatus

Country Status (6)

Country Link
US (1) US7368829B2 (ko)
EP (1) EP1610355B1 (ko)
JP (1) JP4572168B2 (ko)
KR (1) KR100750463B1 (ko)
CN (1) CN100454466C (ko)
WO (1) WO2004088696A1 (ko)

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CN1217809C (zh) * 2000-02-18 2005-09-07 三洋电机株式会社 电动车辆的继电器熔敷检测装置
JP2001327001A (ja) * 2000-05-11 2001-11-22 Toyota Motor Corp ハイブリッド車両におけるシステムリレーの診断装置およびその方法
JP3511593B2 (ja) * 2000-11-10 2004-03-29 三菱電機株式会社 電動パワーステアリング制御装置
JP4804681B2 (ja) 2001-09-21 2011-11-02 富士重工業株式会社 電気自動車の制御装置
JP2003102101A (ja) * 2001-09-25 2003-04-04 Suzuki Motor Corp 電気自動車用電源制御装置

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WO2004088696A1 (ja) 2004-10-14
CN100454466C (zh) 2009-01-21
CN1768407A (zh) 2006-05-03
KR100750463B1 (ko) 2007-08-22
EP1610355A1 (en) 2005-12-28
KR20060014029A (ko) 2006-02-14
EP1610355A4 (en) 2009-01-28
EP1610355A8 (en) 2006-03-15
US20060021098A1 (en) 2006-01-26
US7368829B2 (en) 2008-05-06
JPWO2004088696A1 (ja) 2006-07-06
JP4572168B2 (ja) 2010-10-27

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